CN105848093A - Sub-meter big dipper precision positioning Bluetooth terminal - Google Patents
Sub-meter big dipper precision positioning Bluetooth terminal Download PDFInfo
- Publication number
- CN105848093A CN105848093A CN201610268731.3A CN201610268731A CN105848093A CN 105848093 A CN105848093 A CN 105848093A CN 201610268731 A CN201610268731 A CN 201610268731A CN 105848093 A CN105848093 A CN 105848093A
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- Prior art keywords
- big dipper
- bluetooth
- terminal
- data
- module
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/07—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/37—Hardware or software details of the signal processing chain
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/40—Correcting position, velocity or attitude
- G01S19/41—Differential correction, e.g. DGPS [differential GPS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention relates to a sub-meter big dipper precision positioning Bluetooth terminal. The terminal comprises a charging module, a power supply device, a Bluetooth module, a big dipper positioning module and a central processor. The central processor is configured to operate a difference elimination algorithm, and the power supply device is connected with the Bluetooth module, the big dipper positioning module and the central processor; the central processor is connected with the big dipper positioning module and the Bluetooth module, the Bluetooth module is connected with a mobile terminal which is coupled to the Bluetooth module, and the mobile terminal is connected through network with a big dipper continuous operation system reference station which is named as CROS station. The sub-meter big dipper precision positioning Bluetooth terminal is able to allow data communication to share data through the Bluetooth and an external mobile terminal and realize sub-meter precision positioning through big dipper positioning, the CROS station and the positioning Bluetooth terminal of the difference elimination technology, is convenient to carry, fast in positioning time, simple in usage and long in field work standby time, and is suitable for most of scenes in the plotting at present.
Description
Technical field
The present invention relates to Big Dipper sub-meter grade precision positioning technology field, particularly relate to a kind of sub-meter grade Big Dipper
Precision positioning Bluetooth terminal, based on Big Dipper CORS system and Differential positioning error concealment skill
Art, and the precision positioning method shared by mobile terminal blue-teeth data.
Background technology
Along with development and the perfect maturation of Beidou satellite navigation system, various application Big Dippeves location sets
The hardware terminal of meter continues to bring out.Major part Big Dipper location terminal is the mode using single module to add antenna,
Part carries out data sharing by bluetooth.These location terminals be widely used navigation, monitoring,
The fields such as mapping.
The terminal that application Beidou satellite navigation system carries out positioning in the market is a lot, as based on the Big Dipper
The Tachographs of location, Big Dipper automatic navigator, Big Dipper locating cellphone etc..People can be by north
Bucket satellite navigation and location system obtains real time position and is applied to various scene, it is provided that various location-based services.
But, Big Dipper signal power is the most weak, even less than the power of noise, weather conditions (cloud layer, too
Sun black mole, bad weather), electric electromagnetism, radio, high-intensity magnetic field, veil (sheathing paper, tree
Wood, metal ingredient covers) all Big Dipper signal can be produced and disturb in various degree, due to these interference sources
Existence, cause the horizontal accuracy of major part Big Dipper location terminal at ± 15 meters, and height accuracy deviation
At ± 60 meters.
Meanwhile, current market there is also based on RTK location technology (reality based on carrier phase observation data
Time Kinematic Positioning Techniques) location terminal, it can provide survey station point in real time in specified coordinate system
Three-dimensional localization result, and reach Centimeter Level precision.But there is dependence RTK benchmark in this type terminal
Standing, equipment is complicated, it is impossible to separate operaton, and initialization time length is even difficult to initialize, and needs specially
Industry human users, difficult and apparatus expensive, be not easy to the shortcomings such as popularization.
Therefore, it is necessary to develop a kind of sub-meter grade Big Dipper precision positioning Bluetooth terminal.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that a kind of sub-meter grade Big Dipper precision is fixed
Position Bluetooth terminal, based on Big Dipper CORS system and Differential positioning error concealment technology, and
The precision positioning method shared by mobile terminal blue-teeth data, for achieving the above object, the present invention adopts
Use following technical scheme:
A kind of sub-meter grade Big Dipper precision positioning Bluetooth terminal, including charging module, supply unit, bluetooth
Module, Big Dipper locating module and central processing unit, it is characterised in that: described central processing unit is used for
Running difference elimination algorithm, supply unit processes with bluetooth module, Big Dipper locating module, central authorities respectively
Device connects, and central processing unit is simultaneously connected with bluetooth module and Big Dipper locating module, and bluetooth module is therewith
The mobile terminal matched connects, and the network of mobile terminal connects Big Dipper continuous operational system reference station again
It is called for short CROS station communication；
The localization method of described sub-meter grade Big Dipper precision positioning Bluetooth terminal, comprises the steps:
1) supply unit described in startup, Big Dipper locating module obtains the geographical location information being presently in,
The location data of central processing unit capture Big Dipper locating module；
2) the location data containing interference signal are sent to mobile whole by bluetooth module by central processing unit
End；
3) the location data with interference signal are sent to CROS station by mobile terminal；
4) the CROS station configuration that region, CROS station feedback location internal phase is answered, and corresponding virtual base
Quasi-station data are to mobile terminal；
5) mobile terminal by bluetooth module by CROS station configuration data, and corresponding virtual reference
Data of standing are to location terminal central processing unit；
6) central processing unit is according to there being the location data disturbing signal, is stood by CROS and according to void
Intend the initial data of base station, eliminated the algorithm of error by difference, obtain being accurately positioned data；
7) central processing unit will be accurately positioned data by bluetooth module carry out data sharing to mobile eventually
End.
Its further scheme is: described mobile terminal can be mobile phone or other have mobile data merit
The mobile terminal of energy.
Its further scheme is: described CROS service station fictionalizes RTK base station, and passes through base
Quasi-station and the analysis of real-time Big Dipper data, within utilizing difference elimination algorithm to draw horizontal accuracy 1 meter,
Sub-meter grade within height accuracy 1 meter is accurately positioned data.
Its further scheme is: described supply unit is rechargeable battery.
Its further scheme is: described sub-meter grade Big Dipper precision positioning Bluetooth terminal also includes sky, location
Line, and Bluetooth antenna.
The present invention compared with prior art provides the benefit that: compare and communication function is integrated in location terminal
Location mode, data communication by bluetooth and outside mobile terminal data sharing, is i.e. contracted by the present invention
Little volume and weight, greatly reduces cost, reduces power simultaneously, improve standby performance；Utilize
The Big Dipper positions, and the location Bluetooth terminal of Big Dipper CROS station and difference technology for eliminating can realize sub-rice
Being accurately positioned of level, is convenient for carrying again, and positioning time is fast, uses simple, field work stand-by time
Long, adapt to the most scenes in current survey.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is a kind of sub-meter grade Big Dipper precision positioning Bluetooth terminal structural representation；
Fig. 2 is the circuit diagram of the whole implementation case of the present invention.
Reference
Detailed description of the invention
In order to more fully understand the technology contents of the present invention, below in conjunction with specific embodiment to the present invention's
Technical scheme is further described and illustrates, but is not limited to this.
As it is shown in figure 1, a kind of sub-meter grade Big Dipper precision positioning Bluetooth terminal, include charging module,
Supply unit, bluetooth module, Big Dipper locating module and central processing unit, central processing unit is used for running
Difference elimination algorithm, supply unit is respectively with bluetooth module, Big Dipper locating module, central processing unit even
Connecing, central processing unit is simultaneously connected with bluetooth module and Big Dipper locating module, bluetooth module phase therewith
The mobile terminal joined connects, and the network of mobile terminal connects Big Dipper continuous operational system reference station and is called for short again
CROS stands communication；
The localization method of sub-meter grade Big Dipper precision positioning Bluetooth terminal as shown in Figure 1, including following flow process
Step:
1, the supply unit described in startup, Big Dipper locating module obtains the geographical position letter being presently in
Breath, the location data of central processing unit capture Big Dipper locating module；
2, the location data containing interference signal are sent to mobile by bluetooth module by central processing unit
Terminal；
3, the location data with interference signal are sent to CROS station by mobile terminal；
4, the CROS station configuration that region, CROS station feedback location internal phase is answered, and corresponding virtual base
Quasi-station data are to mobile terminal；
5, mobile terminal by bluetooth module by CROS station configuration data, and corresponding virtual reference
Data of standing are to location terminal central processing unit；
6, central processing unit is according to there being the location data disturbing signal, is stood by CROS and according to void
Intend the initial data of base station, eliminated the algorithm of error by difference, obtain being accurately positioned data；
7, central processing unit will be accurately positioned data by bluetooth module carry out data sharing to mobile eventually
End.
As it is shown in figure 1, wherein Big Dipper locating module is for obtaining the geographical location information that terminal is presently in,
This information contains difference interference signal source, and the positional information containing differential signal is passed through by central processing unit
Bluetooth is sent to other mobile terminals.
As it is shown in figure 1, wherein mobile terminal can be mobile phone or other the shifting having mobile data function
Dynamic terminal.
As it is shown in figure 1, CROS service station fictionalizes RTK base station, and by base station with in real time
The analysis of Big Dipper data, within utilizing difference elimination algorithm to draw horizontal accuracy 1 meter, height accuracy 1
Sub-meter grade within meter is accurately positioned data.
As it is shown in figure 1, wherein bluetooth module is for mutual communication between central processing unit and mobile terminal,
Send the location data containing interference source and the initial data at CROS station, and central processing unit passes through
The data that are accurately positioned obtained after difference processing carry out data sharing.
As in figure 2 it is shown, the whole implementation circuit diagram of the present invention, wherein supply unit is rechargeable battery,
It is convenient for carrying.
Wherein sub-meter grade Big Dipper precision positioning Bluetooth terminal includes location antenna, and Bluetooth antenna, with
Location data are shared in reception.
The present invention compared with prior art provides the benefit that: compare and communication function is integrated in location terminal
Location mode, data communication by bluetooth and outside mobile terminal data sharing, is i.e. contracted by the present invention
Little volume and weight, greatly reduces cost, reduces power simultaneously, improve standby performance；Utilize
The Big Dipper positions, and the location Bluetooth terminal of Big Dipper CROS station and difference technology for eliminating can realize sub-rice
Being accurately positioned of level, is convenient for carrying again, and positioning time is fast, uses simple, field work stand-by time
Long, adapt to the most scenes in current survey.
The above-mentioned technology contents only further illustrating the present invention with embodiment, in order to reader is easier to reason
Solving, but do not represent embodiments of the present invention and be only limitted to this, any technology done according to the present invention extends
Or recreation, all protected by the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (5)
1. a sub-meter grade Big Dipper precision positioning Bluetooth terminal, includes charging module, supply unit, bluetooth
Module, Big Dipper locating module and central processing unit, it is characterised in that: described central processing unit is used for
Running difference elimination algorithm, supply unit processes with bluetooth module, Big Dipper locating module, central authorities respectively
Device connects, and central processing unit is simultaneously connected with bluetooth module and Big Dipper locating module, and bluetooth module is therewith
The mobile terminal matched connects, and the network of mobile terminal connects Big Dipper continuous operational system reference station again
It is called for short CROS station communication；
The positioning action step of described sub-meter grade Big Dipper precision positioning Bluetooth terminal is as follows:
Supply unit described in startup, Big Dipper locating module obtains the geographical location information being presently in, in
The location data of central processor capture Big Dipper locating module；
Central processing unit will be sent to mobile terminal containing the location data of interference signal by bluetooth module；
Location data with interference signal are sent to CROS station by mobile terminal；
The CROS station configuration that region, feedback location, CROS station internal phase is answered, and corresponding virtual reference station
Data are to mobile terminal；
Mobile terminal passes through bluetooth module and CROS station configures data, and corresponding virtual reference station
Data are sent to position terminal central processing unit；
Central processing unit disturbs the location data of signal according to having, and is stood by CROS and according to virtual
The initial data of base station, is eliminated the algorithm of error, obtains being accurately positioned data by difference；
Central processing unit will be accurately positioned data and carry out data sharing to mobile terminal by bluetooth module.
A kind of sub-meter grade Big Dipper precision positioning Bluetooth terminal the most according to claim 1, its feature exists
In: described mobile terminal can be mobile phone or other the mobile terminal having mobile data function.
A kind of sub-meter grade Big Dipper precision positioning Bluetooth terminal the most according to claim 1, its feature exists
In: described CROS service station fictionalizes RTK base station, and by base station and real-time Big Dipper number
According to analysis, within utilizing difference elimination algorithm to draw horizontal accuracy 1 meter, within height accuracy 1 meter
Be accurately positioned data.
A kind of sub-meter grade Big Dipper precision positioning Bluetooth terminal the most according to claim 1, its feature exists
In: described supply unit is rechargeable battery.
A kind of sub-meter grade Big Dipper precision positioning Bluetooth terminal the most according to claim 1, its feature exists
In: described sub-meter grade Big Dipper precision positioning Bluetooth terminal includes location antenna, and Bluetooth antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268731.3A CN105848093A (en) | 2016-06-14 | 2016-06-14 | Sub-meter big dipper precision positioning Bluetooth terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268731.3A CN105848093A (en) | 2016-06-14 | 2016-06-14 | Sub-meter big dipper precision positioning Bluetooth terminal |
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| CN105848093A true CN105848093A (en) | 2016-08-10 |
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| CN201610268731.3A Pending CN105848093A (en) | 2016-06-14 | 2016-06-14 | Sub-meter big dipper precision positioning Bluetooth terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918821A (en) * | 2017-03-28 | 2017-07-04 | 上海双微导航技术有限公司 | A kind of portable satellite positioner |
| CN108020853A (en) * | 2017-12-29 | 2018-05-11 | 上海司南卫星导航技术股份有限公司 | A kind of method and system, mobile terminal, computer-readable medium for judging assets and whether being in target area |
| CN112782738A (en) * | 2020-12-30 | 2021-05-11 | 广东电网有限责任公司电力科学研究院 | Wearable positioning terminal, wearable positioning system and wearable positioning method based on CORS |
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| CN102506823A (en) * | 2011-09-30 | 2012-06-20 | 清华大学 | Differential GPS (global position system) traffic accident scene investigation system and investigation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106918821A (en) * | 2017-03-28 | 2017-07-04 | 上海双微导航技术有限公司 | A kind of portable satellite positioner |
| CN108020853A (en) * | 2017-12-29 | 2018-05-11 | 上海司南卫星导航技术股份有限公司 | A kind of method and system, mobile terminal, computer-readable medium for judging assets and whether being in target area |
| CN112782738A (en) * | 2020-12-30 | 2021-05-11 | 广东电网有限责任公司电力科学研究院 | Wearable positioning terminal, wearable positioning system and wearable positioning method based on CORS |
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Application publication date: 20160810 |
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